Here is yet another signed items from the same ebay seller highlighted previously- yes in blue ink.

My good nature is still trying to keep an open mind on these letters. I now see the seller has very kindly taken a photo of the watermark - the previous letters did not have the watermark? Is the date bit looking right?

Any thoughts from you experts, not that i am thinking of bidding- just curoius i guess but they do look ot be getting better!